As of Aug. 1, 1982, juveniles were no longer allowed junk foods, which were frequently brought in by family and were also previously used as rewards for good behavior. Instead, the facility's staff started preparing nutritious snacks which did not contain as much sucrose or food additives. These snacks included popcorn, unsweetened orange juice, as opposed to candy bars and soft drinks. During the following 12 months, the incidence of serious antisocial behaviors in the male population declined 21 percent, compared to the previous 12 months. Tables and 15 references are provided. (Author abstract modified)